/*

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* Copyright (C) Internet Systems Consortium, Inc. ("ISC")

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*

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* This Source Code Form is subject to the terms of the Mozilla Public

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* License, v. 2.0. If a copy of the MPL was not distributed with this

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* file, you can obtain one at https://mozilla.org/MPL/2.0/.

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*

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* See the COPYRIGHT file distributed with this work for additional

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* information regarding copyright ownership.

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*/

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#ifndef BIND9_GETADDRESSES_H

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#define BIND9_GETADDRESSES_H 1

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/*! \file bind9/getaddresses.h */

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#include <isc/lang.h>

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#include <isc/types.h>

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#include <isc/net.h>

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ISC_LANG_BEGINDECLS

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isc_result_t

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bind9_getaddresses(const char *hostname, in_port_t port,

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isc_sockaddr_t *addrs, int addrsize, int *addrcount);

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/*%<

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* Use the system resolver to get the addresses associated with a hostname.

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* If successful, the number of addresses found is returned in 'addrcount'.

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* If a hostname lookup is performed and addresses of an unknown family is

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* seen, it is ignored. If more than 'addrsize' addresses are seen, the

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* first 'addrsize' are returned and the remainder silently truncated.

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*

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* This routine may block. If called by a program using the isc_app

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* framework, it should be surrounded by isc_app_block()/isc_app_unblock().

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*

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* Requires:

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*\li 'hostname' is not NULL.

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*\li 'addrs' is not NULL.

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*\li 'addrsize' > 0

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*\li 'addrcount' is not NULL.

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*

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*

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* Returns:

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*\li #ISC_R_SUCCESS

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*\li #ISC_R_NOTFOUND

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*\li #ISC_R_FAMILYNOSUPPORT - 'hostname' is an IPv6 address, and IPv6 is

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* not supported.

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*/

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ISC_LANG_ENDDECLS

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#endif /* BIND9_GETADDRESSES_H */

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